JPH0468431U - - Google Patents
Info
- Publication number
- JPH0468431U JPH0468431U JP11054790U JP11054790U JPH0468431U JP H0468431 U JPH0468431 U JP H0468431U JP 11054790 U JP11054790 U JP 11054790U JP 11054790 U JP11054790 U JP 11054790U JP H0468431 U JPH0468431 U JP H0468431U
- Authority
- JP
- Japan
- Prior art keywords
- set value
- overcurrent
- detection device
- determining
- operating circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の一実施例による過電流検出装
置のブロツク図、第２図は従来の過電流検出装置
のブロツク図、第３図は本考案の一実施例による
過電流検出装置の動作フローチヤート、第４図は
他の実施例による過電流検出装置のブロツク図、
第５図は動作判定部の回路図、第６図は動作判定
部の各部のタイムチヤートである。
１１，２１……電流／電圧変換回路、１４，２
５……比較器、１６，２６……動作回路、１７…
…設定値決定手段、１８，２９……過電流判定手
段、２２……設定値選択部。
Fig. 1 is a block diagram of an overcurrent detection device according to an embodiment of the present invention, Fig. 2 is a block diagram of a conventional overcurrent detection device, and Fig. 3 is an operation of an overcurrent detection device according to an embodiment of the present invention. Flowchart, FIG. 4 is a block diagram of an overcurrent detection device according to another embodiment,
FIG. 5 is a circuit diagram of the operation determining section, and FIG. 6 is a time chart of each part of the operation determining section. 11, 21...Current/voltage conversion circuit, 14, 2
5... Comparator, 16, 26... Operating circuit, 17...
...Setting value determining means, 18, 29... Overcurrent determining means, 22... Setting value selection section.
Claims (1)
電流が流れた場合に過電流と判断する過電流検出
装置において、 前記動作回路の動作状態に応じて複数の設定値
を決定する設定値決定手段と、 前記設定値決定手段の設定値に基づいて過電流
の判断を行なう過電流判定手段とを設けたことを
特徴とする過電流検出装置。 (2) 電源に接続された動作回路に設定値以上の
電流が流れた場合に過電流と判断する過電流検出
装置において、 前記動作回路の動作／非動作に応じて設定値を
選択する設定値選択部と、 前記設定値選択部の設定値に基づいて過電流の
判断を行なう過電流判定手段とを設けたことを特
徴とする過電流検出装置。[Claims for Utility Model Registration] (1) In an overcurrent detection device that determines an overcurrent when a current exceeding a set value flows through an operating circuit connected to a power source, a plurality of An overcurrent detection device comprising: a set value determining means for determining a set value of the set value; and an overcurrent determining means for determining an overcurrent based on the set value of the set value determining means. (2) In an overcurrent detection device that determines an overcurrent when a current exceeding a set value flows through an operating circuit connected to a power source, a setting value that selects a set value depending on whether the operating circuit is activated or not. An overcurrent detection device comprising: a selection section; and overcurrent determination means for determining overcurrent based on the set value of the set value selection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11054790U JPH0468431U (en) | 1990-10-24 | 1990-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11054790U JPH0468431U (en) | 1990-10-24 | 1990-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0468431U true JPH0468431U (en) | 1992-06-17 |
Family
ID=31857890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11054790U Pending JPH0468431U (en) | 1990-10-24 | 1990-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0468431U (en) |
-
1990
- 1990-10-24 JP JP11054790U patent/JPH0468431U/ja active Pending